Monitor API Availability, Performance and Functional Correctness

As you strive to deliver world class web, mobile and SaaS applications, make sure the APIs that power them are running smoothly. AlertSite makes it easier than ever to monitor your private, partner, or public APIs - REST or SOAP - effortlessly. 

  • Get Alerted to Performance Anomalies
  • Monitor Around the Globe and Behind the Firewall
  • Reuse Existing OpenAPI/Swagger Defintions or SoapUI Tests


SmartBear Recognized In First Entry In Gartner’s Magic Quadrant For Full Life Cycle API Management
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Ensure Complete API Quality - Not Just 200 OK

Ensure Complete API Quality - Not Just 200 OK

  • Avoid 'false positives' from just availability 200 OK checks
  • Verify API speed, performance, and payloads return the right data
  • Test API performance and verify functionality in production (or pre-prod like staging environments)
  • Codeless Monitor creation - simply paste the Endpoint URL or reuse API functional tests

AlertSite monitors the functionality, performance, correctness, and speed of every API call. Easily create advanced API monitors right from the dashboard, or simply by reusing your existing OpenAPI/Swagger defintions or SoapUI functional tests.

Be the First to Know When API Performance Degrades

  • Route Alerts by error code, step level, team, and more!
  • Be the first to know about API issues with alerts sent directly from the monitoring nodes
  • Get instant actionable insights to isolate the root cause and reduce downtime
  • Engage subject matter experts right away by using our advanced customizations, targeting, and routing.
Be the First to Know When API Performance Degrades
Multi-Step API Transaction Monitoring

Multi-Step API Transaction Monitoring

  • Validate Payloads to ensure APIs return the right data
  • Monitor each step in the series of API calls to ensure correctness and performance
  • Add Assertions for API payloads with JSON and XML assertions
  • Test-on-demand functionalities from our 350 global nodes

With no false alarms, hybrid deployment options, and codeless scripting, AlertSite API Monitoring offers comprehensive, actionable insights into everything from availability, redirects, and authentication, to sequenced API calls that require the passing of variables pulled from the previous API responses.


Monitor Private APIs and Web Services

  • Monitor Private APIs with the same rigor as externally facing APIs
  • Monitor from key locations in your enterprise, even in private networks
  • Deploy on an Endpoint Agent, VMWare, HyperV, or a pre-configured server

Microservices and APIs are critical part of modern applications. Slow or dysfunctional internal APIs affect your internal applications and decelerate innovation. Monitor internal APIs that serve your internal customers from within your private network using our private nodes placed in your local network, data center, or private cloud. Monitoring APIs continually throughout the CI cycle and detect and fix issues early on, aiding to continuous deployment and DevOps initiatives.

Monitor Private APIs and Web Services
Streamline Monitor Creation & Decrease MTTR

Streamline Monitor Creation & Decrease MTTR

  • From Designing APIs using OpenAPI Specifications 
  • To Testing APIs with SoapUI
  • To Monitoring APIs with AlertSite
  • Debug Faster, Identify Root-Cause easier, Decrease MTTR.

Promote API integrity across departments by leveraging specifications and tests you've already defined. Getting up and running in AlertSite is quick and easy, simply paste the URL of the API endpoint you want to monitor, import your OAS/Swagger definiton, or import the SoapUI functional tests you've created to monitor key transactions that are vital to your business. 

1000s of Companies have made AlertSite their Monitoring Partner

Why These Companies Trust AlertSite

Take it From Our Customers' Experience

  • Reduce Support Tickets
  • Improve Performance and User Experience
  • Decrease MTTR & Rapidly Realize ROI
  • Empower DevOps teams with instant feedback

Monitoring with AlertSite empowers you Ops teams to move quickly, know immediately when something is actually wrong in production, send targeted alerts, and ultimately transform the digital experience you're able to deliver. AlertSite seamlessly integrates with OpenAPI/Swagger definitions, SoapUI, and Ready API so that you take your functional testing efforts to the next level - monitoring functionality globally or from within your network. 

Watch SK's full talk here!

Increase Agility for DevOps Teams and CICD Initiatives

  • Programmatically control and automate processes with AlertSite's REST API. Check out our API documentation
  • Deliver your APIs faster by testing on demand in your test and staging environments before pushing to production
  • Reuse the OpenAPI (or Swagger) Specifications and SoapUI Tests/Projects to stand up API monitors instantly and start getting faster feedback
  • Debug faster - monitors identify where the errors occured in the shared code from your QA or test teams, making it easy to track down and has context for when the problem occured. 
Increase Agility for DevOps Teams and CICD Initiatives
Learn more about AlertSite
Questions? Email us at or call: U.S. +1 617-684-2600, EMEA +353 91-398300, APAC +61 391929960

Sign up for a Demo of AlertSite

Get a guided tour of the AlertSite Platform for full visibility into your digital health. Sign up, and we'll be in contact soon.

  • Intuitive SaaS tool for seamless, easy deployment
  • Monitor Private and Public locations
  • Access to 350+ global network of nodes
  • Test-On-Demand for immediate insights

Start Your Trial of AlertSite

Create an account to start monitoring your websites, applications, APIs, and more.

  • Intuitive SaaS tool for seamless, easy deployment
  • Monitor Private and Public assets
  • Access to 350+ global network of nodes
  • Test-On-Demand for immediate observability

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